http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
지방유래 성체줄기세포가 인공피부의 표피형성에 미치는 영향
허창훈,김소영,조현주,정재윤,연제호,윤상웅,박경찬 大韓皮膚硏究學會 2007 大韓皮膚硏究學會誌 Vol.14 No.2
There has been no ideal artificial skin model which can be used for replacing human skin or animal. But, the need of artificial skin is increasing for various purposes such as experimental model or clinical application. In this study, living skin equivalents (LSE) were reconstructed using adipose-derived adult stem cells (ADAS) containing collagen matrix instead of fibroblast (Fb) containing collagen matrix. ADAS were isolated from lipo-aspirated fat tissues and its phenotype was confirmed by cell surface markers of mesenchymal stem cell. Both ADAS-LSE and Fb-LSE were compared by using immunohistochemical staining and confocal microscopic examination. Also, human cytokine antibody array was done to analyze differences between Fb and ADAS. We were able to recognize that ADAS-LSE showed no parakeratosis and more complete differentiation. Furthermore, PCNA(-)/p63(+) keratinocytes was observed in basal layer. It may be suggested that these PCNA(-)/p63(+) cells can be stem cells that are not observed in the hyper-proliferative status of skin like Fb-LSE. Further investigation is needed to find out the mechanisms that can mediate these results. But, basic fibroblast growth factor (bFGF) and hepatocyte growth factor (HGF), which are expressed much more in ADAS maybe involved.
조소연,정진호 大韓皮膚硏究學會 2007 大韓皮膚硏究學會誌 Vol.14 No.3
Scleroderma is a heterogeneous group of disorders in which vascular and immunological disturbances lead to tissue fibrosis. Systemic sclerosis and limited cutaneous forms share similar pathogenesis: vascular endothelial damage followed by upregulation of adhesion molecules and chemotactic cytokines causes inflammatory cell recruitment and infiltration through endothelium to extracellular matrix. Subsequent activation of TGF-β pathway and other factors including CTGF, IL-1, IL-4, IL-6, endotheli-1 and TEMP-1 leads to activation of fibroblasts and overproduction of collagen. Endothelin-1 and PDGF cause transdifferentiation of vascular smooth muscle cells to myofibroblasts, which leads to narrowing of vessel lumen.
이시윤(Siyoon Lee) 중앙승가대학교 불교학연구원 2019 불교와 사회 Vol.11 No.2
불교는 능동적 종교인가 수동적 종교인가? 본 연구는 불교에 대한 본질주의적 접근을 피하고, 사회학적인 관점에서 불교 공동체들이 주어진 사회적 맥락 하에서 어떻게 사회와 관계맺음을 하고 있는지 구체적 사례를 통해 탐색하고자 한다. 특히 공동체의 재생산에 직결되는 청년 신자들의 문화를 이해하기 위해 서울 시내 3개 대학교 내 불교학생회들의 현황 조사와 성원들과의 인터뷰가 수행되었다. 사회의 축소판인 대학 내 경쟁적 종교환경 속에서 최근 대부분의 불교학생회들은 무기력을 겪고 있다. 그 원인과 동학을 이해하기 위해 본 연구는 기본적으로 종교시장이론의 개념틀을 사용하되, 그 한계를 보완하기 위해 인터뷰를 통해 불교학생회 성원들이 공유하고 있는 내러티브를 분석했다. 그 결과, 불교학생회들의 무기력의 중요한 원인으로 이들이 공유하고 있는 특유의 ‘불교는 강요하지 않는다’는 내러티브를 발견할 수 있었다. 이는 경쟁적인 대학교 종교환경 내에서 다른 종교에 대비되는 일종의 비교우위를 획득하면서 새로운 성원이 소수 유입되게 하는 긍정적 효과를 낳기도 한다. 그러나 불교 교리 중 한 측면만을 강조하여 일반화하는 이 내러티브는 성원들의 적극적인 상황 타개 노력을 조기에 좌절시키면서 궁극적으로 반복되는 무기력한 불교학생회 운영의 주원인이 되고 있다. Is the nature of Buddhism active or passive? Avoiding the essentialistic approach to Buddhism, from a sociological perspective, this study investigates how the Buddhist community interacts with society in a specific given context through the concrete case study. For this, the research of the current state of the organizations and the interview with the member was taken at three universities in Seoul area. These days, Buddhist student organizations are suffering the lethargy under the university’s religious environment which is considerable as a microcosm of the entire society. To understand this phenomenon, this study basically uses the conception of religious market theory, but for overcoming its limitations, the analysis of narrative shared among the members was taken. Consequently, the unique narrative of ‘Buddhists do not bother’, which is the main cause of the lethargy of Buddhist students was evaluated. This narrative might bring the positive effect which can attract a few newcomers into their gathering attaining some relative advantage in the university’s competitive religious environment. However, this narrative which is weighing and generalizing the skewed facet of Buddhism also frustrates the intention of active effort to improve the current situation in earliest stage, which eventually results in the repetitive lethargic management of organizations.